<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>my css</title>
    <link rel="stylesheet" href="mycss.css">
</head>
<body>
<a href="http://www.tom.com" target="_blank">TOM</a>



<p>这是<span class="inner">CSS</span>样式表</p>
<p class="inner">这是一个测试</p>
<div class="inner">这是一个div</div>
<div>这是一个<span class="inner">CSS</span>样式表</div>
<p id="pid">段落ABC：</p>


<h1 class="myclass1">标题一</h1>
<p>段落A：</p>
<div class="myclass3">div2</div>

<p class="myclass2">段落一：</p>
<div class="myclass2">div2</div>

<p>段落一：</p>
<p>段落二：</p>
<div class="myclass1">div1</div>
<div>div2</div>
<div class="important">important</div>
<div class="warning">warning</div>
<div class="important warning">important warning</div>
</body>
</html>